CN219282454U - High-tightness and light-weight transformer butterfly valve - Google Patents
High-tightness and light-weight transformer butterfly valve Download PDFInfo
- Publication number
- CN219282454U CN219282454U CN202320022272.6U CN202320022272U CN219282454U CN 219282454 U CN219282454 U CN 219282454U CN 202320022272 U CN202320022272 U CN 202320022272U CN 219282454 U CN219282454 U CN 219282454U
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- 238000007789 sealing Methods 0.000 claims abstract description 80
- 239000000956 alloy Substances 0.000 claims abstract description 9
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005266 casting Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 210000002421 cell wall Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model provides a high-tightness and light-weight transformer butterfly valve, comprising: the valve body, the valve plate, the valve shaft and the wrench; the valve plate is in limit connection with the valve shaft, and a spanner is connected with one end of the valve shaft and used for controlling the opening and closing of the valve plate; the valve body is provided with a through cavity, the valve plate is rotatably arranged in the through cavity through the valve shaft, and a first sealing ring for sealing the valve plate and the valve body is arranged between the valve plate and the inner wall of the through cavity; the valve body is provided with a through hole and a groove, one end of the valve shaft downwards passes through the through hole and the valve plate and is arranged in the groove, and the other end upwards passes through the through hole and the valve body and is connected with the wrench; the valve plate and the valve body are made of alloy aluminum materials. The butterfly valve has the advantages that the sealing performance of the whole structure is good, the service life of the sealing ring is effectively prolonged, the abrasion to the sealing ring is reduced, the sealing ring is not easy to fall off, the processing production efficiency is high by adopting casting alloy aluminum, the corrosion resistance level of the butterfly valve is effectively improved, and the butterfly valve is convenient to operate and use.
Description
Technical Field
The utility model relates to the technical field of transformer butterfly valves, in particular to a high-tightness and light-weight transformer butterfly valve.
Background
The vacuum butterfly valve for the transformer is generally arranged between the oil immersed transformer oil tank and the equipment such as the cooler, the radiator and the oil storage cabinet and is used for controlling the oil circulation between the oil immersed transformer oil tank and the equipment when the transformer is subjected to vacuum oil injection and operation maintenance. When the transformer works, the butterfly valve is in an open state, and the transformer oil freely circulates under the action of pressure; when the transformer is transported or maintained and debugged, the butterfly valve is in a closed state, and the oil way is cut off, so that the transformer main body is isolated from the outside.
At present, a steel plate type structure is adopted for the butterfly valve of the transformer, the whole weight is heavy, the corrosion resistance level of the butterfly valve is low, the steel plate type structure is inconvenient for processing the locating pin in the processing process, and the whole processing difficulty is high; in addition, as the valve body and the valve block are sealed by the sealing ring, the risk of falling off of the sealing ring exists when the valve block rotates, the phenomena of damage to the sealing ring of the valve block, leakage of oil leakage of the shaft head, inconvenient opening and closing operation and the like are easily caused, and meanwhile, the integral sealing performance of the butterfly valve is also affected; the corresponding inconvenience is caused to the on-site installation, after-sales service, overhauling and vacuumizing of the transformer and the like.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the transformer butterfly valve with high sealing performance and light weight, which can effectively improve the productivity through alloy aluminum casting molding, so that the butterfly valve is more convenient to process, and the corrosion resistance level is effectively improved; through mounting groove and the sealing washer that set up between valve block and valve body, reduce the area of contact between sealing washer and the fluid, reduce the risk that the sealing washer drops when using, sealing washer and special-shaped screw that set up between valve shaft and the valve body reduce the oil leak oil seepage phenomenon of butterfly valve in addition.
In order to solve the technical problems, the utility model discloses a high-tightness and light-weight transformer butterfly valve, which comprises: the valve body, the valve plate, the valve shaft and the wrench; the valve plate is in limit connection with the valve shaft, and the wrench is connected with one end of the valve shaft and used for controlling the valve plate to be opened and closed; the valve body is provided with a through cavity, the valve plate is rotatably arranged in the through cavity through the valve shaft, and a first sealing ring for sealing between the valve plate and the valve body is arranged between the valve plate and the inner wall of the through cavity; the valve body is provided with a through hole and a groove, one end of the valve shaft downwards penetrates through the through hole and the valve plate and is arranged in the groove, the other end of the valve shaft upwards penetrates through the through hole and the valve body and is connected with the wrench, and the valve plate and the valve body are made of alloy aluminum materials.
According to the technical scheme, the spanner is used for adjusting opening or closing through the connection arrangement of the spanner, the valve shaft and the valve plate, so that the operation of a user can be facilitated; the first sealing ring arranged between the valve plate and the inner wall of the through cavity can reduce the contact surface with the valve body, so that the contact area between the first sealing ring and oil is reduced, the valve plate cannot be opened under the condition of thermal expansion and cold contraction, the first sealing ring cannot be damaged under the condition of repeated opening and closing, the service life of the first sealing ring is effectively prolonged, and the abrasion of the first sealing ring is reduced; in addition, the processing process of casting the alloy aluminum material is more convenient, the productivity can be effectively improved, and the corrosion resistance level can be improved.
Further, an installation groove is formed in the valve plate, and the first sealing ring is arranged in the installation groove and is in sealing fit with the inner wall; the mounting groove is "U" type, the mounting groove includes: a first slot wall and a second slot wall; the first groove wall is positioned on the outer side of the second groove wall, and the distance from the first groove wall to the inner wall is larger than the distance from the second groove wall to the inner wall.
According to the technical scheme, the mounting groove is used for clamping the first sealing ring, meanwhile, the possibility of falling off of the first sealing ring can be reduced due to the height difference between the first groove wall and the second groove wall, so that the fitting degree of the valve plate and the valve body is increased, and the integral sealing effect is improved.
Further, a first mounting block and a second mounting block are arranged on the other side of the valve plate, a first limiting hole and a second limiting hole are formed in the valve shaft, the first limiting hole is connected with the first mounting block, and the second limiting hole is connected with the second mounting block.
According to the technical scheme, the first mounting block is matched with the first limiting hole, the second mounting block is matched with the second limiting hole, so that the valve shaft is in limiting connection with the valve plate, and the valve shaft and the valve plate are driven to synchronously rotate when the wrench rotates, so that the valve is more convenient to use and operate.
Further, a first arc-shaped groove and a second arc-shaped groove are formed in the valve shaft, and the first arc-shaped groove, the second arc-shaped groove and the through hole are all in sealing connection through a second sealing ring; the valve body is also provided with a through groove, one end of the through groove is communicated with the through hole and is coaxial with the through hole, the upper end of the through groove is provided with a special-shaped screw, and one end of the valve shaft penetrates through the special-shaped screw to be connected with the wrench; and a gasket and a third sealing ring are further arranged between the special-shaped screw and the through hole, and the gasket and the special-shaped screw press the third sealing ring to the through hole.
According to the technical scheme of the utility model, the second sealing ring is matched with the through hole and the arc-shaped groove, the through groove is formed, the special-shaped screw, the gasket and the third sealing ring are arranged, the oil leakage risk between the valve shaft and the valve body is reduced, and the tightness between the valve shaft and the valve body is improved.
Further, a third limiting hole is formed in the valve shaft, a containing cavity is formed in the wrench, and one end of the valve shaft is arranged in the containing cavity and is in limiting connection with the wrench through the third limiting hole.
According to the technical scheme, the third limiting hole is connected with the spanner, so that limiting connection of the spanner and the valve shaft can be realized, a user can conveniently operate the spanner to adjust the valve plate, the spanner is positioned at the upper end of the valve body, the tightness between the valve body and the valve shaft is not affected, and the valve plate is convenient to detach; in addition, the arrangement of the accommodating cavity can reduce the occupation of the whole space.
Further, a limiting block for limiting the rotation of the wrench is arranged at the upper end of the valve body, a first gear block and a second gear block are outwards formed on the wrench, and a rotation area is formed between the first gear block and the second gear block; when the wrench rotates to adjust the valve plate to be opened or closed, the first gear block or the second gear block is matched with the limiting block to limit the wrench by the limiting block; and a stop block for limiting the rotation of the valve plate is arranged on the inner wall.
According to the technical scheme, the limiting block plays a role of stopping the wrench, the first gear block and the second gear block are arranged to facilitate a user to identify the opening or closing of the valve plate, and the stop block is combined, so that the whole structure is simple, and a certain protection effect is achieved.
Further, sealing ring mounting grooves are respectively formed in two sides of the valve body, arc-shaped sealing rings are arranged in the sealing ring mounting grooves in two sides, and a concave part is formed in the middle of each arc-shaped sealing ring inwards.
Drawings
FIG. 1 is a perspective view of a high tightness and lightweight transformer butterfly valve of the present utility model;
FIG. 2 is a rear perspective view of a high seal and lightweight transformer butterfly valve of the present utility model;
FIG. 3 is a cross-sectional view of a high seal and lightweight transformer butterfly valve of the utility model;
FIG. 4 is an enlarged view of the high tightness and light weight transformer butterfly valve A of the present utility model;
FIG. 5 is a schematic view of a high tightness and lightweight valve body of a transformer butterfly valve according to the present utility model;
FIG. 6 is a schematic view of a valve plate structure of a high-tightness and lightweight transformer butterfly valve according to the present utility model;
FIG. 7 is a perspective view of a high tightness and lightweight valve plate of a transformer butterfly valve of the present utility model;
FIG. 8 is a perspective view of a high seal and lightweight valve shaft of a transformer butterfly valve of the present utility model;
FIG. 9 is a perspective view of a high tightness and lightweight transformer butterfly valve wrench of the present utility model;
FIG. 10 is a bottom up perspective view of the high tightness and lightweight transformer butterfly valve wrench of the present utility model;
wherein: the valve comprises a valve body 1, a through hole 101, a groove 102, a through groove 103, a sealing ring mounting groove 104, a valve plate 2, a mounting groove 201, a first groove wall 211, a second groove wall 221, a first mounting block 202, a second mounting block 203, a valve shaft 3, a first limit hole 301, a second limit hole 302, a first arc groove 303, a second arc groove 304, a third limit hole 305, a spanner 4, a first gear block 401, a second gear block 402, a through cavity 5, a first sealing ring 501, a first sealing ring 601, a second sealing ring 602, a third sealing ring 603, a special-shaped screw 7, a gasket 8, a holding cavity 9, a limit block 10, an arc sealing ring 12, a concave part 1201, a stop 13, a first jack 1401 and a second jack 1402.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model. The contents not described in detail below are all within the knowledge of the skilled in the art.
Referring to fig. 1 to 10, a high-tightness and lightweight transformer butterfly valve includes: the valve body 1, the valve plate 2, the valve shaft 3 and the wrench 4; the valve plate 2 is in limit connection with the valve shaft 3, and the wrench 4 is connected with one end of the valve shaft 3 and used for controlling the opening and closing of the valve plate 2; the valve body 1 is provided with a through cavity 5, the valve plate 2 is rotatably arranged in the through cavity 5 through the valve shaft 3, and a first sealing ring 601 for sealing between the valve plate 2 and the valve body 1 is arranged between the valve plate 2 and the inner wall 501 of the through cavity 5; the valve body 1 is provided with a through hole 101 and a groove 102, one end of the valve shaft 3 downwards passes through the through hole 101 and the valve plate 2 and is arranged in the groove 102, the other end upwards passes through the through hole 101 and the valve body 1 and is connected with the wrench 4, two sides of the valve body 1 are respectively provided with a sealing ring mounting groove 104, the sealing ring mounting grooves 104 on two sides are internally provided with an arc-shaped sealing ring 12, and the middle part of the arc-shaped sealing ring 12 is inwards provided with a concave part 1201.
Therefore, the valve plate 2 and the valve body 1 are made of alloy aluminum materials, the processing process of casting the alloy aluminum materials is more convenient, the productivity can be effectively improved, the corrosion resistance level is improved, the valve plate 2 is rotatably arranged in the through cavity 5, the valve plate 2 is connected with the wrench 4 through the valve shaft 3, and the wrench 4 is used for adjusting to open or close, so that the operation of a user can be facilitated; the contact surface between the valve plate 2 and the valve body 1 can be reduced by the first sealing ring 601 arranged between the valve plate 2 and the through cavity inner wall 501, so that the contact area between the first sealing ring 601 and oil liquid is reduced, the valve plate 2 cannot be opened under the condition of thermal expansion and contraction, the first sealing ring 601 cannot be damaged under the condition of repeated opening and closing, the service life of the first sealing ring 601 is effectively prolonged, and the abrasion of the first sealing ring 601 is reduced.
Referring to fig. 3, 4 and 7, in a specific embodiment, a mounting groove 201 is formed in the valve plate 2, a first sealing ring 601 is disposed in the mounting groove 201 and is in sealing engagement with the inner wall 501, the mounting groove 201 is "U" shaped, and the mounting groove 201 includes: a first slot wall 211 and a second slot wall 221; the first groove wall 211 is located outside the second groove wall 221, and the distance from the first groove wall 211 to the inner wall 501 is greater than the distance from the second groove wall 221 to the inner wall 501.
From this, the both sides of valve block 2 are located respectively to mounting groove 201 and valve shaft 3, and second cell wall 221 is close to valve shaft 3 than first cell wall 211, and the setting of mounting groove 201 is used for pressing from both sides tight first sealing washer 601, and the difference in height of first cell wall 211 and second cell wall 221 can reduce the possibility that first sealing washer 601 drops simultaneously, makes valve block 2 and valve body 1 laminating degree increase, improves holistic sealed effect.
Referring to fig. 3, 4, 6 and 8, in a specific embodiment, a first mounting block 202 and a second mounting block 203 are disposed on the other side of the valve plate 2, a first limiting hole 301 and a second limiting hole 302 are formed in the valve shaft 3, the first limiting hole 301 is connected with the first mounting block 202, and the second limiting hole 302 is connected with the second mounting block 203.
From this, first installation piece 202 and second installation piece 203 are on same axis, and first spacing hole 301 and second spacing hole 302 are all perpendicular with the axis of valve shaft 3, carry out spacing connection through locating pin or screw between first spacing hole 301 and second spacing hole 302 and the valve block 2, and first installation piece 202 and the cooperation of first spacing hole 301, second installation piece 203 and the cooperation of second spacing hole 302 make valve shaft 3 and valve block 2 carry out spacing connection, drive valve shaft 3 and valve block 2 synchronous rotation when spanner 4 rotates, and it is more convenient to use and operation.
Referring to fig. 3 and 8, in a specific embodiment, a first arc-shaped groove 303 and a second arc-shaped groove 304 are formed in a valve shaft 3, the first arc-shaped groove 303 and the second arc-shaped groove 304 are connected with a through hole 101 in a sealing manner through a second sealing ring 602, a through groove 103 is formed in the valve body 1, one end of the through groove 103 is communicated with the through hole 101 and is coaxial with the through hole 101, a special-shaped screw 7 is arranged at the upper end of the through groove 103, and one end of the valve shaft 3 penetrates through the special-shaped screw 7 to be connected with a wrench 4; a gasket 8 and a third sealing ring 603 are further arranged between the special-shaped screw 7 and the through hole 101, and the gasket 8 and the special-shaped screw 7 press the third sealing ring 603 to the through hole 101.
From this, second sealing washer 602 cooperates with through-hole 102 and arc groove, and the setups of logical groove 103 and the setting of dysmorphism screw 7 and gasket 8 and third sealing washer 603 reduce the oil leak risk between valve shaft 3 and valve body 1, improve the leakproofness between valve shaft 3 and the valve body 1.
Referring to fig. 1, 9 and 10, in a specific embodiment, the valve shaft 3 is provided with a third limiting hole 305, the wrench 4 is provided with a receiving cavity 9, and one end of the valve shaft 3 is disposed in the receiving cavity 9 and is in limiting connection with the wrench 4 through the third limiting hole 305.
Therefore, the third limiting hole 305 is connected with the spanner 4, so that the spanner 4 and the valve shaft 3 can be in limiting connection, a user can conveniently operate the spanner 4 to adjust the valve plate 2, the tightness between the valve body 1 and the valve shaft 3 is not affected by the position of the spanner 4 at the upper end of the valve body 1, and the valve is convenient to detach; in addition, the accommodating cavity 9 is arranged, so that the occupied whole space can be reduced.
Referring to fig. 1, 9 and 10, in a specific embodiment, a limiting block 10 for limiting rotation of a wrench 4 is arranged at the upper end of a valve body 1, a first gear block 401 and a second gear block 402 are formed outwards on the wrench 4, and a rotation area 403 is formed between the first gear block and the second gear block; when the wrench 4 rotates to adjust the valve plate 2 to be opened or closed, the first gear block 401 or the second gear block 402 is matched with the limiting block 10 to realize stop limiting on the wrench 4, and the inner wall 501 is provided with a stop 13 for limiting the rotation of the valve plate 2.
From this, first jack 1401 has been seted up on first gear piece 401 and the second gear piece 402, set up the second jack 1402 that corresponds with first jack 1401 on the stopper 10, spanner 4 realizes first jack 1401 and second jack 1402 locate mode through the spliced pole when opening or closing, stopper 10 plays the effect of backstop to spanner 4, the setting up of first gear piece 401 and second gear piece 402 makes things convenient for the user to the opening or closing of discernment valve block 2, combine the setting of dog 13, make holistic simple structure, play certain guard action.
According to the embodiment, the productivity can be effectively improved through alloy aluminum casting molding, so that the butterfly valve is more convenient to process, and the corrosion resistance level is effectively improved; the mounting groove and the sealing ring are arranged between the valve plate and the valve body, so that the contact area between the sealing ring and oil is reduced, the risk of falling off of the sealing ring in use is reduced, and in addition, the sealing ring and the special-shaped screw arranged between the valve shaft and the valve body reduce the oil leakage and oil seepage phenomenon of the butterfly valve; the spanner, the valve shaft and the valve plate are in limit connection, so that a user can conveniently open and close the valve plate.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. High leakproofness and light-weight's transformer butterfly valve, its characterized in that includes: the valve comprises a valve body (1), a valve plate (2), a valve shaft (3) and a spanner (4); the valve plate (2) is in limit connection with the valve shaft (3), and the wrench (4) is connected with one end of the valve shaft (3) and used for controlling the valve plate (2) to be opened and closed; a through cavity (5) is formed in the valve body (1), the valve plate (2) is rotatably arranged in the through cavity (5) through the valve shaft (3), and a first sealing ring (601) for sealing between the valve plate (2) and the valve body (1) is arranged between the valve plate (2) and the inner wall (501) of the through cavity (5); a through hole (101) and a groove (102) are formed in the valve body (1), one end of the valve shaft (3) downwards penetrates through the through hole (101) and the valve plate (2) and is arranged in the groove (102), and the other end upwards penetrates through the through hole (101) and the valve body (1) and is connected with the wrench (4); the valve plate (2) and the valve body (1) are made of alloy aluminum materials.
2. The high-tightness and light-weight transformer butterfly valve according to claim 1, wherein the valve plate (2) is provided with a mounting groove (201), and the first sealing ring (601) is arranged in the mounting groove (201) and is in sealing fit with the inner wall (501).
3. The high tightness and lightweight transformer butterfly valve of claim 2, wherein the mounting groove (201) is "U" shaped, the mounting groove (201) comprising: a first groove wall (211) and a second groove wall (221); the first groove wall (211) is located outside the second groove wall (221), and the distance from the first groove wall (211) to the inner wall (501) is larger than the distance from the second groove wall (221) to the inner wall (501).
4. The high-tightness and light-weight transformer butterfly valve according to claim 1, wherein a first mounting block (202) and a second mounting block (203) are arranged on the other side of the valve plate (2), a first limiting hole (301) and a second limiting hole (302) are formed in the valve shaft (3), the first limiting hole (301) is connected with the first mounting block (202), and the second limiting hole (302) is connected with the second mounting block (203).
5. The high-tightness and light-weight transformer butterfly valve according to claim 1, wherein the valve shaft (3) is provided with a first arc-shaped groove (303) and a second arc-shaped groove (304), and the first arc-shaped groove (303) and the second arc-shaped groove (304) are in sealing connection with the through hole (101) through a second sealing ring (602).
6. The high-tightness and light-weight transformer butterfly valve according to claim 1, wherein the valve body (1) is further provided with a through groove (103), one end of the through groove (103) is communicated with the through hole (101) and is coaxial with the through hole (101), the upper end of the through groove (103) is provided with a special-shaped screw (7), and one end of the valve shaft (3) is connected with the wrench (4) through the special-shaped screw (7); a gasket (8) and a third sealing ring (603) are further arranged between the special-shaped screw (7) and the through hole (101), and the gasket (8) and the special-shaped screw (7) press the third sealing ring (603) to the through hole (101).
7. The high-tightness and light-weight transformer butterfly valve according to claim 1, wherein the valve shaft (3) is provided with a third limiting hole (305), the wrench (4) is provided with a containing cavity (9), and one end of the valve shaft (3) is arranged in the containing cavity (9) and is in limiting connection with the wrench (4) through the third limiting hole (305).
8. The high-tightness and light-weight transformer butterfly valve according to claim 1, wherein a limiting block (10) for limiting the rotation of the wrench (4) is arranged at the upper end of the valve body (1), a first gear block (401) and a second gear block (402) are outwards formed on the wrench (4), and a rotation area (403) is formed between the first gear block and the second gear block; when the wrench (4) rotates to adjust the valve plate (2) to be opened or closed, the first gear block (401) or the second gear block (402) is matched with the limiting block (10) to limit the wrench (4) in a stop mode.
9. The high-tightness and light-weight transformer butterfly valve according to claim 1, wherein sealing ring mounting grooves (104) are respectively formed on two sides of the valve body (1), an arc-shaped sealing ring (12) is mounted in the sealing ring mounting grooves (104) on two sides, and a concave portion (1201) is formed in the middle of the arc-shaped sealing ring (12) inwards.
10. A high tightness and light weight transformer butterfly valve according to claim 1, characterized in that said inner wall (501) is provided with a stop (13) for the rotation limit of said valve plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320022272.6U CN219282454U (en) | 2023-01-05 | 2023-01-05 | High-tightness and light-weight transformer butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320022272.6U CN219282454U (en) | 2023-01-05 | 2023-01-05 | High-tightness and light-weight transformer butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219282454U true CN219282454U (en) | 2023-06-30 |
Family
ID=86911972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320022272.6U Active CN219282454U (en) | 2023-01-05 | 2023-01-05 | High-tightness and light-weight transformer butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219282454U (en) |
-
2023
- 2023-01-05 CN CN202320022272.6U patent/CN219282454U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 317113 Yunxi Village, Shaliu Street, Sanmen County, Taizhou City, Zhejiang Province Patentee after: Zhejiang Liqiao Technology Co.,Ltd. Country or region after: China Address before: 317113 Yunxi Village, Shaliu Street, Sanmen County, Taizhou City, Zhejiang Province Patentee before: Taizhou Liqiao Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |